Cerro Tololo Inter-American Observatory

Cerro Tololo Inter-American Observatory

The Cerro Tololo Inter-American Observatory is an astronomical observatory located on the summit of Mt. Cerro Tololo in the Coquimbo Region of northern Chile, with additional facilities located on Mt. Cerro Pachón about 10 kilometres to the southeast. Derived from Wikipedia licensed CC-BY-SA.

Open Access statistics for Cerro Tololo Inter-American Observatory, Chile, covering academic research published from 2000 to 2024. Read More.


Open Access Percentage

90%


Total
Publications

1.8K


Total Open
Publications

1.6K


Total
Citations

113K


Open Access
Percentage

90%


Total
Publications

1.8K


Total Open
Publications

1.6K


Total
Citations

113K

Wikipedia

Website

download

Breakdown

14% 73% 3% 10%

Publisher Open

14%

Both

73%

Other Platform Open

3%

Closed

10%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

0102030405060708090100110120Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

83%OA Journal

OA Journal 83%

1.3K

Hybrid 2%

34

No Guarantees 15%

228

Other Platform Open

Preprint 89%

1.2K

Institution 54%

744

Other Internet 6%

77

Public 2%

31

Domain 0%

3

Other Platform Locations

Name

Platform Type

Publications

U.S. Department of Energy Office of Scientific and Technical Information - OSTI OAI
Institution
1.4K
arXiv
Preprint
1.3K
Le Centre pour la Communication Scientifique Directe - HAL - Diderot
Institution
244
AECID Library - Americanae
Institution
234
Belarusian State Pedagogical University - Belarusian State Pedagogical University repository
Institution
103
University of Trieste https://www.units.it/ - ArTS Archivio della ricerca di Trieste
Institution
81
uchile.cl OAI-PMH Repository
Institution
70
Universidad Autónoma de Madrid - Biblos-e Archivo
Institution
69
University of Oslo - Duo Research Archive
Institution
66
ETH Zurich - Repository for Publications and Research Data
Institution
62
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Data updated 18 August 2025

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